8,000+ BCE Use of hemp cord in pottery identified at ancient village site going back over 10,000 years, perfectly located at the part of contemporary Taiwan. Finding hemp use and cultivation within this time frame puts it as the primary and oldest known human agriculture crops. As explained by Richard Hamilton within the 2009 Scientific American article on sustainable agriculture "Modern humans emerged some 250,000 in the past, yet agriculture is a reasonably recent invention, approximately 10,000 years of age ... Agriculture just isn't natural; it's a human invention. It is usually the basis of modern civilization." Now has also been discussed by Carl Sagan in 1977 when he...